Patents by Inventor Hyun-Hang Yong
Hyun-Hang Yong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20210320380Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: June 25, 2021Publication date: October 14, 2021Applicants: LG CHEM, LTD., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Publication number: 20190229316Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Publication number: 20180166671Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: February 6, 2018Publication date: June 14, 2018Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Publication number: 20170005309Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: September 15, 2016Publication date: January 5, 2017Applicants: LG Chem, Ltd., TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Patent number: 9490463Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: GrantFiled: March 5, 2013Date of Patent: November 8, 2016Assignees: LG CHEM, LTD., TORAY BATTERY SEPARATOR FILM CO., LTDInventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Jung Don Suk
-
Patent number: 8841031Abstract: Disclosed is a porous film comprising: (a) a porous substrate having pores; and (b) a coating layer formed on at least one region selected from the group consisting of a surface of the substrate and a part of the pores present in the substrate, wherein the coating layer comprises styrene-butadiene rubber. An electrochemical device using the porous film as a separator is also disclosed. The porous film is coated with a styrene-butadiene polymer, whose rubbery characteristics can be controlled, and thus provides improved scratch resistance and adhesion to other substrates. When the porous film is used as a separator for an electrochemical device, it is possible to improve the safety of the electrochemical device and to prevent degradation in the quality of the electrochemical device.Type: GrantFiled: December 7, 2005Date of Patent: September 23, 2014Assignee: LG Chem, Ltd.Inventors: Seok Koo Kim, Sang Young Lee, Soon Ho Ahn, Jung Don Suk, Hyun Hang Yong
-
Patent number: 8617645Abstract: The present invention provides a multi-component composite film comprising a) polymer support layer, and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.Type: GrantFiled: October 7, 2008Date of Patent: December 31, 2013Assignee: LG Chem. Ltd.Inventors: Seung-Jin Lee, Hyang-Mok Lee, Soon-Ho Ahn, Jin-Yeon Cho, Hyun-Hang Yong, Hyung-Keun Lee, Sang-Young Lee, Heon-Sik Song, Soon-Yong Park, You-Jin Kyung, Byeong-In Ahn
-
Patent number: 8409746Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: GrantFiled: September 1, 2005Date of Patent: April 2, 2013Assignee: LG Chem, Ltd.Inventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Jung Don Suk
-
Publication number: 20110281150Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: July 15, 2011Publication date: November 17, 2011Applicant: LG CHEM, LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Publication number: 20110281171Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: July 15, 2011Publication date: November 17, 2011Applicant: LG CHEM, LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Publication number: 20110281172Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) inorganic particles; and (b) a binder polymer coating layer formed partially or totally on surfaces of the inorganic particles, wherein the inorganic particles are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a micropore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality.Type: ApplicationFiled: July 15, 2011Publication date: November 17, 2011Applicant: LG CHEM, LTD.Inventors: Hyun Hang YONG, Sang Young LEE, Seok Koo KIM, Soon Ho AHN, Jung Don SUK
-
Patent number: 7910240Abstract: Disclosed is an electrode, comprising a coating layer of crosslinked polymer, formed on a surface of electrode active material particles, while maintaining a pore structure formed among the electrode active material particles interconnected to each other in the electrode. A method for manufacturing the electrode and an electrochemical device comprising the electrode are also disclosed. The electrode, which comprises a coating layer of crosslinked polymer formed on the surface of the electrode active material particles, can improve the safety of a battery, while minimizing degradation in the quality of a battery.Type: GrantFiled: April 19, 2006Date of Patent: March 22, 2011Assignees: LG Chem, Ltd., Korea Research Institute of Chemical TechnologyInventors: Sang Young Lee, Seok Koo Kim, Jung Don Suk, Hyun Hang Yong, Jang Hyuk Hong, Soon Ho Ahn, Yongku Kang, Changjin Lee
-
Patent number: 7799471Abstract: Disclosed is an electrolyte for a battery comprising: (a) an electrolyte salt; (b) an organic solvent; and (c) a functional electrolyte additive. An electrochemical device comprising the electrolyte is also disclosed. The additive used in the electrochemical device effectively controls the surface of a cathode active material, which otherwise causes side reactions with an electrolyte, due to the basic skeleton structure and polar side branches of the additive. Therefore, it is possible to improve the safety of a battery, while not adversely affecting the quality of a battery.Type: GrantFiled: April 19, 2006Date of Patent: September 21, 2010Assignees: LG Chem, Ltd., Korea Research Institute of Chemical TechnologyInventors: Sang Young Lee, Seok Koo Kim, Jung Don Suk, Hyun Hang Yong, Jang Hyuk Hong, Soon Ho Ahn, Yongku Kang, Changjin Lee, Mi Young Son
-
Patent number: 7709153Abstract: The present invention provides a multi-component composite film comprising a) polymer support layer; and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.Type: GrantFiled: October 7, 2008Date of Patent: May 4, 2010Assignee: LG Chemical Co., Ltd.Inventors: Seung-Jin Lee, Hyang-Mok Lee, Soon-Ho Ahn, Jin-Yeon Cho, Hyun-Hang Yong, Hyung-Keun Lee, Sang-Young Lee, Heon-Sik Song, Soon-Yong Park, You-Jin Kyung, Byeong-In Ahn
-
Patent number: 7704641Abstract: Disclosed is an organic/inorganic composite porous film comprising: (a) a porous substrate having pores; and (b) an active layer formed by coating a surface of the substrate or a part of the pores in the substrate with a mixture of inorganic particles and a binder polymer, wherein the inorganic particles in the active layer are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a pore structure. A method for manufacturing the same film and an electrochemical device including the same film are also disclosed. An electrochemical device comprising the organic/inorganic composite porous film shows improved safety and quality, simultaneously.Type: GrantFiled: July 6, 2005Date of Patent: April 27, 2010Assignee: LG Chem, Ltd.Inventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Jung Don Suk
-
Patent number: 7700226Abstract: The present invention provides an electrode in which an electrode active material particles as being interconnected are applied on current collector, wherein the interconnected surface of electrode active material particles is coated with a polymer, the polymer being present as an independent phase, while maintaining a pore structure formed among the interconnected electrode active material particles as well as an electrochemical device including the electrode.Type: GrantFiled: November 5, 2004Date of Patent: April 20, 2010Assignee: LG Chem, Ltd.Inventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn, Byung Hoon Oh
-
Patent number: 7682740Abstract: Disclosed is an electrode comprising a first organic/inorganic composite porous coating layer formed on its surface, wherein the first coating layer includes inorganic particles and a binder polymer for interconnecting and fixing the inorganic particles, and has micropores formed by interstitial volumes among the inorganic particles. An electrochemical device including the same electrode is also disclosed. Further, disclosed is a method for manufacturing an electrode having an organic/inorganic composite porous coating layer on the surface thereof, comprising the steps of: (a) coating a current collector with slurry containing an electrode active material and drying it to provide an electrode; and (b) coating the surface of electrode obtained from step (a) with a mixture of inorganic particles with a binder polymer. A lithium secondary battery including the electrode shows improved safety and minimized degradation in battery performance.Type: GrantFiled: February 4, 2005Date of Patent: March 23, 2010Assignee: LG Chem, Ltd.Inventors: Hyun Hang Yong, Sang Young Lee, Seok Koo Kim, Soon Ho Ahn
-
Patent number: 7662517Abstract: Disclosed is an organic/inorganic composite porous separator comprising: (a) a polyolefin-based separator substrate; and (b) an active layer formed by coating at least one region selected from the group consisting of a surface of the substrate and a part of pores present in the substrate with a mixture of inorganic particles and a binder polymer, wherein the inorganic particles in the active layer are interconnected among themselves and are fixed by the binder polymer, and interstitial volumes among the inorganic particles form a pore structure. A method for manufacturing the same separator and an electrochemical device including the same separator are also disclosed. An electrochemical device comprising the organic/inorganic composite porous separator shows improved thermal and electrochemical safety and quality, simultaneously.Type: GrantFiled: December 22, 2005Date of Patent: February 16, 2010Assignee: LG Chem, Ltd.Inventors: Sang Young Lee, Seok Koo Kim, Jung Don Suk, Hyun Hang Yong, Jang Hyuk Hong, Soon Ho Ahn
-
Publication number: 20090291360Abstract: Disclosed is a porous film comprising: (a) a porous substrate having pores; and (b) a coating layer formed on at least one region selected from the group consisting of a surface of the substrate and a part of the pores present in the substrate, wherein the coating layer comprises styrene-butadiene rubber. An electrochemical device using the porous film as a separator is also disclosed. The porous film is coated with a styrene-butadiene polymer, whose rubbery characteristics can be controlled, and thus provides improved scratch resistance and adhesion to other substrates. When the porous film is used as a separator for an electrochemical device, it is possible to improve the safety of the electrochemical device and to prevent degradation in the quality of the electrochemical device.Type: ApplicationFiled: December 7, 2005Publication date: November 26, 2009Applicant: LG CHEM, LTD.Inventors: Seok Koo Kim, Sang Young Lee, Soon Ho Ahn, Jung Don Suk, Hyun Hang Yong
-
Publication number: 20090263591Abstract: The present invention provides a multi-component composite film comprising a) polymer support layer, and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.Type: ApplicationFiled: October 7, 2008Publication date: October 22, 2009Applicant: LG CHEMICAL CO., LTD.Inventors: Seung-Jin LEE, Hyang-Mok Lee, Soon-Ho Ahn, Jin-Yeon Cho, Hyun-Hang Yong, Hyung-Keun Lee, Sang-Young Lee, Heon-Sik Song, Soon-Yong Park, You-Jin Kyung, Byeong-In Ahn